yomichan/ext/fg/js/float.js
2019-10-02 20:46:35 -04:00

156 lines
4.3 KiB
JavaScript

/*
* Copyright (C) 2016-2017 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class DisplayFloat extends Display {
constructor() {
super(document.querySelector('#spinner'), document.querySelector('#definitions'));
this.autoPlayAudioTimer = null;
this.styleNode = null;
this.optionsContext = {
depth: 0,
url: window.location.href
};
this.dependencies = Object.assign({}, this.dependencies, {docRangeFromPoint, docSentenceExtract});
window.addEventListener('message', (e) => this.onMessage(e), false);
}
onError(error) {
if (window.yomichan_orphaned) {
this.onOrphaned();
} else {
window.alert(`Error: ${error.toString ? error.toString() : error}`);
}
}
onOrphaned() {
const definitions = document.querySelector('#definitions');
const errorOrphaned = document.querySelector('#error-orphaned');
if (definitions !== null) {
definitions.style.setProperty('display', 'none', 'important');
}
if (errorOrphaned !== null) {
errorOrphaned.style.setProperty('display', 'block', 'important');
}
}
onSearchClear() {
window.parent.postMessage('popupClose', '*');
}
onSelectionCopy() {
window.parent.postMessage('selectionCopy', '*');
}
onMessage(e) {
const {action, params} = e.data;
const handlers = DisplayFloat.messageHandlers;
if (handlers.hasOwnProperty(action)) {
const handler = handlers[action];
handler(this, params);
}
}
onKeyDown(e) {
const key = Display.getKeyFromEvent(e);
const handlers = DisplayFloat.onKeyDownHandlers;
if (handlers.hasOwnProperty(key)) {
const handler = handlers[key];
if (handler(this, e)) {
e.preventDefault();
return;
}
}
super.onKeyDown(e);
}
autoPlayAudio() {
this.clearAutoPlayTimer();
this.autoPlayAudioTimer = window.setTimeout(() => super.autoPlayAudio(), 400);
}
clearAutoPlayTimer() {
if (this.autoPlayAudioTimer) {
window.clearTimeout(this.autoPlayAudioTimer);
this.autoPlayAudioTimer = null;
}
}
setStyle(css) {
const parent = document.head;
if (this.styleNode === null) {
this.styleNode = document.createElement('style');
}
this.styleNode.textContent = css;
if (this.styleNode.parentNode !== parent) {
parent.appendChild(this.styleNode);
}
}
}
DisplayFloat.onKeyDownHandlers = {
'C': (self, e) => {
if (e.ctrlKey && !window.getSelection().toString()) {
self.onSelectionCopy();
return true;
}
return false;
}
};
DisplayFloat.messageHandlers = {
termsShow: (self, {definitions, options, context}) => {
self.termsShow(definitions, options, context);
},
kanjiShow: (self, {definitions, options, context}) => {
self.kanjiShow(definitions, options, context);
},
clearAutoPlayTimer: (self) => {
self.clearAutoPlayTimer();
},
orphaned: (self) => {
self.onOrphaned();
},
setOptions: (self, options) => {
const css = options.general.customPopupCss;
if (css) {
self.setStyle(css);
}
},
popupNestedInitialize: (self, {id, depth, parentFrameId, url}) => {
self.optionsContext.depth = depth;
self.optionsContext.url = url;
popupNestedInitialize(id, depth, parentFrameId, url);
}
};
window.yomichan_display = new DisplayFloat();